March 07, 2023; 100 (10) Research Article
Efficacy and Safety of N-Acetyl-l-Leucine in Children and Adults With GM2 Gangliosidoses
Kyriakos Martakis, Jens Claassen, Jordi Gascon-Bayari, Nicolina Goldschagg, Andreas Hahn, Anhar Hassan, Anita Hennig, Simon Jones, Richard Kay, Heather Lau, Susan Perlman, Reena Sharma, Susanne Schneider, Tatiana Bremova-Ertl
First published December 1, 2022, DOI: https://doi.org/10.1212/WNL.0000000000201660
Kyriakos Martakis
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Jens Claassen
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Jordi Gascon-Bayari
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Nicolina Goldschagg
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Andreas Hahn
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Anhar Hassan
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Anita Hennig
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Simon Jones
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Richard Kay
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Heather Lau
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Susan Perlman
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Reena Sharma
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Susanne Schneider
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Tatiana Bremova-Ertl
From the Department of Pediatric Neurology (K.M., Andreas Hahn), University Children's Hospital (UKGM) and Medical Faculty, Justus Liebig University of Giessen, Giessen, Germany; Department of Pediatrics (K.M.), Medical Faculty and University Hospital, University of Cologne, Cologne, Germa; Department of Neurology (J.C.), Essen University Hospital, University of Duisburg-Essen, Germany; Department of Neurocritical Care, Neurological and Neurosurgical First Stage Rehabilitation and Weaning, MediClin Klinik Reichshof, Germany; Department of Neurologic Diseases and Neurogenetics (J.G.-B.), Institut D'Investigació Biomèdica de Bellvitge, Barcelona, Spain; Department of Neurology (N.G., Anita Hennig, S.S.), Ludwig Maximilian University of Munich, Germany; Department of Neurology (Anhar Hassan), Mayo Clinic, Rochester, MN, United States; Willink Unit (S.J.), Manchester Centre for Genomic Medicine, Royal Manchester Children's Hospital, University of Manchester, United Kingdom; RK Statistics, Brook House, Mesne Lane, Bakewell DE45 1AL, United Kingdom 9. Division of Neurogenetics, New York University Langone, NY, United States; Department of Neurology (H.L.), New York University Langone School of Medicine, NY, United States; Department of Neurology (S.P.), University of California Los Angeles, CA, United States; Department of Adult Metabolic Medicine (R.S.), Salford Royal Foundation NHS Trust, United Kingdom; and Department of Neurology (T.B.-E.), University Hospital Bern (Inselspital), Switzerland.
Efficacy and Safety of N-Acetyl-l-Leucine in Children and Adults With GM2 Gangliosidoses
Kyriakos Martakis, Jens Claassen, Jordi Gascon-Bayari, Nicolina Goldschagg, Andreas Hahn, Anhar Hassan, Anita Hennig, Simon Jones, Richard Kay, Heather Lau, Susan Perlman, Reena Sharma, Susanne Schneider, Tatiana Bremova-Ertl
Neurology Mar 2023, 100 (10) e1072-e1083; DOI: 10.1212/WNL.0000000000201660
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